Roger Weller, geology instructor
wellerr@cochise.edu
Fluorescent Minerals
Steve Tyminski
Physical Geology
Fall 2007
Hydrozincite
Hydrozincite, also known as zinc bloom, is a white carbonate mineral, usually found in massive rather than crystalline form.[i]
This example of willemite / calcite / hydrozincite is from the Nellie James Mine in the Huachuca Mountains of Cochise County, AZ. Specimen is from the private collection of Roy Parsons.

Willemite, Calcite, Hydrozincite, normal light
Willemite is gray, Calcite is gray, Hydrozincite is gray

Willemite, Calcite, Hydrozincite, ultraviolet light
Willemite is green / Calcite & Hydrozincite are blended to produce purple
Another example of willemite / calcite / hydrozincite is from the Nellie James Mine in the Huachuca Mountains of Cochise County, AZ. Specimen is from the private collection of Roy Parsons.

Willemite / Calcite / Hydrozincite, normal light

Willemite
/ Calcite / Hydrozincite, ultraviolet light
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